[INFO] cloning repository https://github.com/EKurtz27/MNIST_neuralnetwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EKurtz27/MNIST_neuralnetwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEKurtz27%2FMNIST_neuralnetwork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEKurtz27%2FMNIST_neuralnetwork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8be830557b162a4b18a9a195617cbb9fb942b5c
[INFO] checking EKurtz27/MNIST_neuralnetwork against 615014f15745532730b9ce7a1d9309f8b4756f93 for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEKurtz27%2FMNIST_neuralnetwork" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EKurtz27/MNIST_neuralnetwork
[INFO] finished tweaking git repo https://github.com/EKurtz27/MNIST_neuralnetwork
[INFO] tweaked toml for git repo https://github.com/EKurtz27/MNIST_neuralnetwork written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EKurtz27/MNIST_neuralnetwork on toolchain 615014f15745532730b9ce7a1d9309f8b4756f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EKurtz27/MNIST_neuralnetwork already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.15.0
[INFO] [stderr]   Downloaded portable-atomic v1.11.0
[INFO] [stderr]   Downloaded csv-core v0.1.12
[INFO] [stderr]   Downloaded matrixmultiply v0.3.9
[INFO] [stderr]   Downloaded csv v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b
[INFO] running `Command { std: "docker" "start" "37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking ndarray-rand v0.15.0
[INFO] [stderr]     Checking hw9_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `fs::File`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{error::Error, fs::File};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error` and `fs::File`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{error::Error, fs::File};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size`, `layer1_size`, `layer2_size`, and `output_size` are never read
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct NeuralNetwork {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout]  8 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  9 |     layer1_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     layer2_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size`, `layer1_size`, `layer2_size`, and `output_size` are never read
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct NeuralNetwork {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout]  8 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  9 |     layer1_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     layer2_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b", kill_on_drop: false }`
[INFO] [stdout] 37fff1a75e6d168cef143314c812d06e3b67c6bdbc26beea59e174733cc9242b
